Flora of North America species comparison

few to several from base, prostrate to decumbent or erect, (usually unbranched), 0.3–1.5(–3) dm.

(petiole slender);

blade suborbicular to obovate or elliptic, 1–8 cm, (base narrowing gradually or abruptly to petiole), margins sinuate-dentate or entire.

(proximal shortly petiolate, distal sessile);

blade oblanceolate, 0.5–1.5(–2.5) cm, margins entire or remotely dentate.

dense or loose.

sepals elliptic or oblong-elliptic, 4.5–7 mm, (median pair cucullate);

petals spatulate, 7–9(–14) mm, (claw undifferentiated from blade).

(sigmoid or curved), 5–10(–15) mm.

(erect), ellipsoid to obovoid, compressed at apex and sometimes margins (strongly latiseptate), (5–)6–9 mm, (apex acute, often beaked);

valves densely pubescent, trichomes appressed or spreading, sometimes sparsely pubescent inside, trichomes 4- or 5-rayed;

ovules 4–12 per ovary;

style (2–)3–6.5 mm, (often sparsely pubescent).

inner surface flattened, outer convex.